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FEATURES
＊0.52 inch (13.2 mm) DIGIT HEIGHT.
＊CONTINUOUS UNIFORM SEGMENTS.
＊LOW POWER REQUIREMENT.
＊EXCELLENT CHARACTERS APPEARANCE.
＊HIGH BRIGHTNESS & HIGH CONTRAST.
＊WIDE VIEWING ANGLE.
＊SOLID STATE RELIABILITY.
＊CATEGORIZED FOR LUMINOUS INTENSITY.
DESCRIPTION
The LTS-547AHR is a 0.52 inch (13.2 mm) digit height single
digit seven-segment display. This device utilizes high efficiency
red LED chips, which are made from GaAsP on a transparent GaP
substrate, and has a red face and red segments.
DEVICE
PART NO. DESCRIPTION
Hi-EFF. Red
LTS-547AHR
Common Cathode
Rt. Hand Decimal
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PACKAGE DIMENSIONS
NOTES: All dimensions are in millimeters. Tolerances are± 0.25 mm (0.01“) unless otherwise noted.
INTERNAL CIRCUIT DIAGRAM
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PIN CONNECTION
No.
CONNECTION
1 ANODE E
2 ANODE D
3 COMMON CATHODE
4 ANODE C
5 ANODE DP
6 ANODE B
7 ANODE A
8 COMMON CATHODE
9 ANODE F
10 ANODE G
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ABSOLUTE MAXIMUM RATING AT Ta=25
o
C
PARAMETER MAXIMUM RATING UNIT
Power Dissipation Per Segment 75 mW
Peak Forward Current Per Segment
( 1/10 Duty Cycle, 0.1ms Pulse Width ) 100 mA
Continuous Forward Current Per Segment
Derating Linear From 25℃ Per Segment
25
0.33
MA
MA/℃
Reverse Voltage Per Segment 5 V
Operating Temperature Range -35℃ to +85℃
Storage Temperature Range -35℃ to +85℃
Solder Temperature: max 260℃ for max 3sec at 1.6mm below seating plane.
ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25
o
C
PARAMETER SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITION
Average Luminous Intensity I
V
800
2200
µcd
I
F
=10mA
Peak Emission Wavelength λp 635
nm I
F
=20mA
Spectral Line Half-Width ∆λ 40 nm I
F
=20mA
Dominant Wavelength λd 623
nm I
F
=20mA
Forward Voltage Per Segment V
F
2 2.6 V I
F
=20mA
Reverse Current Per Segment I
R
100
µA V
R
=5V
Luminous Intensity Matching Ratio
I
V
-m 2:1 I
F
=10mA
Note: Luminous intensity is measured with a light sensor and filter combination that
approximates the CIE (Commision Internationale De L’Eclairage) eye-response curve.
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TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES
(25
o
C Ambient Temperature Unless Otherwise Noted)
